active nucleus

collocation in English

meaningsofactiveandnucleus

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withnucleus.
active
adjective
uk
/ˈæk.tɪv/us
/ˈæk.tɪv/
busy with a ...
See more atactive
nucleus
noun[C]
uk
/ˈnjuː.kli.əs/us
/ˈnuː.kli.əs/
physicsspecialized
the central part of an atom, usually made up of protons ...
See more atnucleus

(Definition ofactiveandnucleusfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofactive nucleus

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
The branch has become the forum not of the rank and file but of anactivenucleusdominated by a hard core centre.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Anactivenucleushas a spectrum with a continuum that can not be explained by radiation from one or more stellar (or blackbody) objects.
From
Wikipedia
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A galaxy having anactivenucleusis called an active galaxy.
From
Wikipedia
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These have been interpreted as manifestations of the (currently weak)activenucleus.
From
Wikipedia
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The most common large-scale structures are called "lobes": these are double, often fairly symmetrical, roughly ellipsoidal structures placed on either side of theactivenucleus.
From
Wikipedia
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Estimates of the critical number of active nuclei for saturation and cavity suppression which agree with experimental results are given.
From theCambridge English Corpus
Second, this galaxy has anactivenucleus.
From
Wikipedia
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That rule simply means that the numbers of active nuclei in homologous liquid volumes must be equal.
From theCambridge English Corpus
To determine the direction to the spinactivenucleusfrom the localized unpaired electron (remember: unpaired electrons are, themselves, spin active) one employs the principle of magnetic angle selection.
From
Wikipedia
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We can conjecture that in that case an increasing concentration of active nuclei would first produce saturation by bubbles at the detachment abscissa.
From theCambridge English Corpus
It is useful for studying chemicals with magnetically active nuclei (spins 1/2 and greater), and for studying molecular dynamics.
From
Wikipedia
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Many galaxies (active galaxies) have active nuclei hidden in dense regions of dust.
From
Wikipedia
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These active nuclei are hosted in massive spheroidal galaxies.
From
Wikipedia
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Large radio interferometers have been used to map the active jets emitted from active nuclei.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
In principle, the magnetically active nuclei may also be disposed on non-carbon atoms.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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